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部分商除法与数组演示

部分商除法与数组演示
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2018-03-14 01:43
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①本范例通过数组演示部分商除法，直观展示除法过程与结果；②涉及核心数学概念包括除法、数组、部分商；③构造时使用 GeoGebra 命令如 Intersect, Point, Segment, Line, OrthogonalLine, Polygon, PointIn, Distance, Textfield，以及对象如 A, B, a, C, b, c, d_2, D, E, e, H, j, m, text3, text4, K, j_1, d, i, k, I, g, poly1, c_1, h, e_1, a_1, poly2, h_1, i_1, k_1, e_2, poly3, i_2, d_1, b_1, k_2, Pointpoly1, Pointpoly2_1, Pointpoly3；④适合小学高年级及以上学生，用于理解除法算法和数组应用。

GeoGebra 命令及参数

  1. Intersect(xAxis, yAxis) → A
  2. Point(xAxis) → B
  3. Segment(A, B) → a
  4. Point(yAxis) → C
  5. Segment(A, C) → b
  6. Line(C, a) → c
  7. Line(B, b) → d_2
  8. Intersect(c, d_2) → D
  9. Point(a) → E
  10. Line(E, b) → e
  11. Intersect(c, e) → H
  12. Segment(C, D) → j
  13. Segment(B, E) → m
  14. Point(a) → K
  15. OrthogonalLine(K, a) → j_1
  16. Segment(B, D) → i
  17. OrthogonalLine(K, a) → k
  18. Intersect(k, j) → I
  19. Segment(E, H) → g
  20. Polygon(C, H, E, A) → poly1, c_1, h, e_1, a_1
  21. Polygon(H, I, K, E) → poly2, h_1, i_1, k_1, e_2
  22. Polygon(I, D, B, K) → poly3, i_2, d_1, b_1, k_2
  23. PointIn(poly1) → Pointpoly1
  24. PointIn(poly2) → Pointpoly2_1
  25. PointIn(poly3) → Pointpoly3
  26. Distance(A, E) → q1
  27. Distance(E, K) → q2
  28. Distance(K, B) → q3
  29. Polygon(F, G, J, L) → poly4, f_1, g_1, j_2, l_1
  30. Point(g_1) → M
  31. Polygon(N, T, U, V) → poly5, n_1, t, u, v
  32. Segment(W, Z) → s
  33. Segment(A_1, B_1) → m_1
  34. Segment(C_1, D_1) → s_1
  35. PointIn(poly2) → Pointpoly2
  36. Textfield(Dividend) → InputBox1
  37. Textfield(d) → InputBox2
  38. Segment(E_1, F_1) → t_1
  39. Segment(G_1, H_1) → f_2
  40. Segment(I_1, J_1) → g_2
  41. Textfield(quotient1) → InputBox3
  42. Textfield(remainder1) → InputBox4
  43. Textfield(quotient) → InputBox5
  44. Textfield(remainder) → InputBox6
  45. Textfield(quotient2) → InputBox7
  46. Textfield(remainder2) → InputBox8
  47. Textfield(quotient3) → InputBox9
  48. Textfield(remainder3) → InputBox10